The upcoming holiday weekend will be stocking-stuffed with unsettledweather from the Southwest and the Rockies to the Heartland and GreatLakes. The culprits responsible are two upper level disturbances; one inthe Pacific Northwest and a closed upper low tracking into southernArizona this evening. The disturbance over the Northwest will bring aboutperiods of mountain snow and valley rain from the Washington/Oregon coastto the northern Rockies and northern Great Basin tonight. The more potentof...